Combined exercise step and punching bag stand



FIG. 1 is a front elevational view of the combined exercise step and punching bag stand showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof, the broken line portions being for illustrative purposes only and forming no part of the claimed design;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an upper right perspective view thereof. 

The ornamental design for the combined exercise step and punching bag stand, as shown and described. 